S-92949A888 0-80 x 1" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for long-lasting performance in harsh environments
• Exceptional thread precision with Class 3A fit and UNF fine thread profile ensuring secure, vibration-resistant connections
• High mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for demanding load applications
• Optimized drive engagement through hex drive design providing reliable torque transmission and reduced cam-out risk
• Full thread coverage along the 1" length maximizing grip strength and distribution of clamping forces
• Industry-standard compliance meeting ASME B18.3 specifications for consistent quality and interchangeability
• Environmental regulation adherence with RoHS 3 and REACH compliance for safe use in regulated industries

Professional Applications & Engineering Value

These 0-80 UNF fine thread screws deliver critical performance advantages in precision assembly applications where reliability is paramount. The 18-8 stainless steel material combined with passivated finish provides exceptional corrosion resistance, making them ideal for medical equipment, aerospace components, and electronic enclosures exposed to moisture or chemicals. The Class 3A thread fit ensures precise engagement with mating components, reducing the risk of cross-threading while maintaining consistent clamping force. The rounded head design with hex drive offers clean aesthetics and secure tool engagement, particularly valuable in confined spaces where accessibility is limited. These characteristics make them particularly suitable for applications requiring repeated disassembly and reassembly without performance degradation.

Specification Summary & Compliance

Manufactured to exacting standards with Class 3A thread fit tolerance and UNF fine thread specification (0-80 size). Fully compliant with ASME B18.3 dimensional standards, ensuring interchangeability and reliability. Meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance. Threading is fully formed along the complete 1" length with right-hand orientation, providing maximum engagement surface for secure fastening applications.